Code of Federal Regulations Title 48. Federal Acquisition Regulations System 48.1205.402 General public

(1) Prior to the opening of sealed bids or the closing date for receipt of proposals, the names of firms invited to submit sealed bids or proposals;

(2) Prior to the opening of sealed bids or the closing date for receipt of proposals, the names of firms which attended pre-proposal or pre-bid conferences, if any;

(3) After the opening of sealed bids, names of firms which submitted bids;  and

(4) After contract award, the names of firms which submitted proposals.